Dahua Nvr 4.0 Factory Reset ((new)) 〈CERTIFIED • 2027〉
: Look for a small black button labeled RESET or RST on the motherboard (often near the CPU or the battery). The Holding : Press and hold that button firmly.
When the NVR boots up, it will be in a factory-default state. The username is usually admin , and the password is often left blank, or you will be prompted to create a new password immediately upon startup. dahua nvr 4.0 factory reset
Before pressing any buttons, it is vital to understand exactly what happens during a factory reset. Many users confuse a "soft reboot" (restarting the device) with a "factory default" reset. : Look for a small black button labeled
: Let go of the button. The Dahua logo will appear on the monitor, followed by the Startup Wizard , signaling a successful reset. The Epilogue: A New Beginning Once reset, the NVR is a blank slate. The username is usually admin , and the
| Situation | Recommended Method | | --- | --- | | You know the password & have monitor | Method 1 (Local Menu) | | No password, physical access to box | Method 2 (Physical Button) | | No password, but NVR is on network | Method 3 + Forgot Password via ConfigTool | | No password, no reset button | Method 4 (Dahua Support / Security Code) | | Selling the unit | Method 1 + then format hard drive |
If you can log into the NVR’s local interface (monitor + mouse attached directly to the NVR), this is the preferred method.